The short version of nuclear receptor fits in a sentence. The long version — which is the one that helps — is below.
Reviewed 2025-09-07. Anything still debated is marked as such rather than presented as settled.
Analytical chemists detect SR9009 with liquid chromatography-tandem mass spectrometry, commonly abbreviated LC-MS/MS. Sample preparation may involve protein precipitation, liquid-liquid extraction, or solid-phase extraction before analysis. Laboratories can target the parent compound or its metabolites, depending on the matrix and the purpose of testing. Anti-doping methods require sensitive and specific assays because concentrations in biological samples can be low. Reference standards and validated methods are essential for reliable identification and quantification.
Regulatory agencies have not approved SR9009 for human therapeutic use. It is typically sold as a research chemical with labels stating that it is not for human consumption. The World Anti-Doping Agency prohibits the substance in sport, generally under the category of non-approved substances. Customs and national laws may restrict importation, sale, or possession. Product quality and legal status can vary by country and vendor, and therapeutic claims are not permitted in regulated advertising because the compound lacks approval.
Several misconceptions surround SR9009. It is often described as a SARM, a steroid, or an exercise pill, but its known target is the REV-ERB receptor family. Rodent studies have examined exercise capacity and metabolic markers, yet human outcomes remain unproven. Oral bioavailability appears low in animals, and human pharmacokinetics are not well characterized. Online products may contain impurities or different compounds, so identity and purity testing are important for research use.
At the molecular level, SR9009 binds REV-ERBα and REV-ERBβ and alters their repressive activity on target genes. These nuclear receptors help regulate the circadian clock, lipid synthesis, glucose metabolism, and inflammatory pathways. By changing transcription, the compound can shift the timing or magnitude of downstream metabolic processes in model systems. It does not act through androgen receptors or adenosine receptors, which distinguishes it from several substances sold for athletic performance. Whether the same transcriptional changes occur in humans at tolerable exposures remains an open question because controlled human studies are lacking.
Preclinical reports describe effects on exercise endurance, mitochondrial content, and lipid profiles in rodents, but these findings come from specific experimental conditions. Many studies use high doses or delivery methods that may not translate directly to human use. SR9009 has been reported to have low oral bioavailability and a short half-life, which complicates interpretation of oral dosing studies. It is not established as safe or effective for any indication. Literature discussions often separate its pharmacological mechanism from unverified claims made in fitness and supplement markets.
| Property | Value | Notes |
|---|---|---|
| Regulatory status | Not approved for human use | Research-use-only status in many markets |
| WADA status | Prohibited in sport | Generally listed as a non-approved substance |
| Detection technique | LC-MS/MS | Common for urine and blood analysis |
| Common alias | Stenabolic | Informal market nickname, not a pharmacopoeial name |
| Purity check | HPLC or LC-UV | Independent certificate of analysis is typical |
SR9009 is supplied as a solid research chemical, often in milligram quantities. Laboratories typically weigh it in a controlled environment because fine powders can disperse. Stock solutions are commonly prepared in dimethyl sulfoxide and stored in small aliquots to reduce freeze-thaw cycles. Personal protective equipment and chemical fume hoods are standard when handling unknown or potent compounds. These practices address laboratory safety rather than human use.
Identity and purity of SR9009 samples are usually checked with chromatographic and spectrometric methods. High-performance liquid chromatography can separate the compound from related impurities, while mass spectrometry provides molecular mass confirmation. Nuclear magnetic resonance spectroscopy may be used for structural verification in research settings. No single method proves biological activity, and certificates of analysis should be reviewed alongside raw data. Independent testing is often needed because online products vary widely.
SR9009 stability depends on temperature, moisture, light, and solvent. Solid material is generally kept cool and dry, while solutions may require protection from repeated warming and cooling. Degradation can appear as color changes, precipitate, or new chromatographic peaks. Researchers should follow supplier instructions and their own stability data. Long-term storage conditions for human use have not been established because the compound lacks approved clinical formulation.
In laboratory settings, SR9009 is commonly identified by its molecular structure and its interaction with REV-ERB receptors. Vendors may list it under synonyms such as Stenabolic or REV-ERB agonist, but those names do not define purity or identity. Analytical confirmation typically uses high-performance liquid chromatography with ultraviolet detection or liquid chromatography–mass spectrometry. A reference standard is needed to compare retention time and mass spectrum, because the compound can be confused with related research chemicals.
Handling practices for SR9009 focus on minimizing degradation and contamination. The solid is generally stored desiccated at or below -20 °C, protected from light and moisture. Stock solutions are often prepared in dimethyl sulfoxide or ethanol, then aliquoted to avoid repeated freeze–thaw cycles. Aqueous solubility is low, so formulations for animal studies may require cosolvents or suspending agents. Personnel should follow institutional chemical safety procedures, because toxicological data for humans are incomplete.
Regulatory status varies by country and intended use. Major drug agencies have not granted marketing authorization for SR9009 as a medicine, and it is not listed as a controlled substance in many jurisdictions. It is often sold as a research chemical, a category that may fall outside pharmaceutical manufacturing rules. Buyers should verify local laws and supplier documentation, including certificates of analysis. The lack of standardized quality controls raises concerns about identity, purity, and actual content in products marketed online.
SR9009 is a synthetic small molecule studied as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ, also called NR1D1 and NR1D2. These receptors help regulate circadian rhythms and metabolic gene programs. The compound was developed for laboratory research, not as an approved therapeutic. Its identity is distinct from steroid hormones and selective androgen receptor modulators. Scientific interest centers on how REV-ERB activation changes gene expression in cells and animal models.
At the molecular level, SR9009 binds the ligand-binding domain of REV-ERB and strengthens recruitment of corepressor proteins such as NCoR and HDAC3. This increases repression of target genes, including Bmal1 and other clock-controlled and metabolic genes. In rodent studies, such changes have been linked to altered lipid handling, glucose metabolism, and energy expenditure. The precise chain of events between receptor binding and whole-body effects remains an active area of research. Findings in animals do not automatically translate to humans.
For the fiscal year 2023, UPS reported earnings of US$6.71 billion, with an annual revenue of US$90.96 billion, a 9 percent decrease over the previous fiscal cycle. UPS ranked No. 34 on the 2022 Fortune 500 list of the largest United States corporations by total revenue.
On 7 September 2020, CSL signed agreements with the Australian government to supply the University of Queensland vaccine (V451) and to manufacture (with AstraZeneca) the Oxford University vaccine (AZD1222), which would yield nearly 85 million doses for Australians. The agreement was contingent on the future success of clinical trials of these vaccines. Most of the manufacture would occur in Melbourne, Australia. On 11 December 2020, after a high percentage of the University of Queensland vaccine trial participants returned "false positive" results for HIV, it was decided that vaccine development will not proceed to Phase 2/3 trials. On 23 March 2021, the Therapeutic Goods Administration provisionally approved the first batches, numbering 832,000 doses, of the Oxford–AstraZeneca COVID-19 vaccine manufactured by CSL in its plant in Broadmeadows, Victoria. The Australian Government has contracted CSL to produce 50 million doses of the vaccine.
Harmine is a naturally occurring harmala alkaloid with monoamine oxidase-inhibiting under preliminary research for potential anti-HIV properties. It is found in various plants such as Peganum harmala and B. caapi, historically studied for Parkinson's disease and currently in early-phase clinical trials. Harmine is the primary β-carboline alkaloid in ayahuasca and has been studied for potential therapeutic effects including modulation of astrocytic function, anti-inflammatory properties, influence on neural progenitor proliferation, and possible roles in addiction and depression treatment through mechanisms involving glutamate regulation and BDNF signaling.
Cherry juice is a fruit juice consisting of the juice of cherries. It is consumed as a beverage and used as an ingredient in various foods, processed foods and beverages. It is also marketed as a health supplement. It is produced by hot- or cold-pressing cherries, collecting the juice, and then filtering and pasteurizing it.
Sources: en.wikipedia.org
==== Soy-based infant formula ==== Soy-based infant formula (SBIF) is sometimes given to infants who are not being strictly breastfed; it can be useful for infants who are either allergic to pasteurized cow milk proteins or who are being fed a vegan diet. It is sold in powdered, ready-to-feed, and concentrated liquid forms. Some reviews have expressed the opinion that more research is needed to determine what effect the phytoestrogens in soybeans may have on infants. Diverse studies have concluded there are no adverse effects in human growth, development, or reproduction as a result of the consumption of soy-based infant formula. One of these studies, published in the Journal of Nutrition, concludes that there are:
carbonization 1. The conversion of organic compounds, such as those found in biological organisms, into other forms of carbon or carbonic residues by heating or burning, or during fossilization. 2. The process of coating a substance with carbon residues such as charcoal, or of causing a substance to become scorched, blackened, or charred.
England and Wales Annabel Sarah Jane Berry, lately Superintendent, Hampshire Constabulary. Jason Richard Davies, Assistant Chief Constable, South Wales Police. Ian John Dawson, lately Assistant Chief Constable, Lancashire Constabulary. Andrew James Duignan, lately Detective Constable, Merseyside Police. Karen Ross Findlay, Temporary Commander, Metropolitan Police Service. Christopher James Flanagan, lately Detective Inspector, South Yorkshire Police. Matthew William Gosling, Detective Chief Inspector, Metropolitan Police Service. Kam Hare, Inspector, Greater Manchester Police. Laura Catherine Elizabeth Hart, Special Chief Inspector, Merseyside Police. Natalie Horner, Detective Constable, Durham Constabulary. Paul Joseph Martin Keasey, Superintendent, Gloucestershire Constabulary. Edward James Ough, lately Superintendent, South Wales Police. John Price, Sergeant, West Midlands Police. Hayley Jenny Annette Sewart, Detective Chief Superintendent, Metropolitan Police Service. Benjamin Daniel Snuggs, Deputy Chief Constable, Thames Valley Police. Amanda Jane Stephenson, Detective Inspector, Metropolitan Police Service. Matthew Wesley Ward, Deputy Assistant Commissioner, Metropolitan Police Service. Owen Robert Weatherill, lately Assistant Chief Constable, Hertfordshire Constabulary and National Police Co-ordination Centre. Scotland Faroque Hussain, Temporary Assistant Chief Constable, Police Service of Scotland. Carol McGuire, Chief Superintendent, Police Service of Scotland. Stephanie Rose, Police Constable, Police Service of Scotland.
Sources: en.wikipedia.org
For example, before combat missions Fallschirmjäger soldiers received the "Combat Ration for Paratroopers", which contained tins of cheese and ham, an energy bar, crispbread, candy drops, powdered milk, and instant coffee. The standard Schutzstaffel (SS) ration, designed to last for four days, consisted of 25 ounces (710 g) of Graubrot, 6–10 ounces (170–280 g) of canned meat (sometimes in the form of sausage), five ounces (140 g) of vegetables, one-half ounce (14 g) of butter, margarine, jam, or hazelnut paste, coffee, and six cigarettes (despite the SS's strong anti-smoking stance). Some other special supplements were given, including leberwurst. Regions invaded and occupied by Nazi forces were stripped of their food to feed Germans and starve local populations. As a result, soldiers could eat a variety of foods depending on availability. When in static positions German soldiers could eat well while rationing for frontline soldiers was sometimes hampered by supply issues. For example, a German soldier who fought in Crimea, which presented a logistical challenge due to a long and vulnerable land route, described the food he and his comrades received during this period as consisting of one warm meal a day, typically cabbage soup with a piece of tomato, with the addition of half a loaf of bread, some fat, cheese, and hard honey every second day. However, when the same soldier was billeted in a Russian village, he described the food as including a midday meal of borscht with bread and a large evening meal of potatoes, other vegetables, eggs, and meat.
"Explaining the End of the Cold War: A New Historical Consensus?" Journal of Cold War Studies - Volume 4, Number 4, Fall 2002, pp. 60–92 in Project MUSE. Trachtenberg, Marc. "The Marshall Plan as Tragedy." Journal of Cold War Studies 2005 7(1): 135–140. ISSN 1520-3972 Fulltext: in Project MUSE. Walker, J. Samuel. "Historians and Cold War Origins: The New Consensus", in Gerald K. Haines and J. Samuel Walker, eds., American Foreign Relations: A Historiographical Review (1981), 207–236. Watry, David M. Diplomacy at the Brink: Eisenhower, Churchill, and Eden in the Cold War. Baton Rouge: Louisiana State University Press, 2014. ISBN 9780807157183. Westad, Odd Arne, ed. Reviewing the Cold War: Approaches, Interpretations, Theory (2000) essays by scholars. Westad, Odd Arne, "The New International History of the Cold War: Three (Possible) Paradigms," Diplomatic History, 2000, Vol. 24 in EBSCO. Westad, Odd Arne, ed. Reviewing the Cold War: Approaches, Interpretations, Theory (2000) excerpt and text search. Westad, Odd Arne, The Cold War: A World History, Basic Books, 2017. ISBN 0465054935. White, Timothy J. "Cold War Historiography: New Evidence Behind Traditional Typographies" International Social Science Review, (2000). Xia, Yafeng. "The Study of Cold War International History in China: A Review of the Last Twenty Years," Journal of Cold War Studies10#1 Winter 2008, pp. 81–115 in Project MUSE.
Hematopathology or hemopathology (both also spelled haem-, see spelling differences) is the study of diseases and disorders affecting and found in blood cells, their production, and any organs and tissues involved in hematopoiesis, such as bone marrow, the spleen, and the thymus. Diagnoses and treatment of diseases such as leukemia and lymphoma often deal with hematopathology; techniques and technologies include flow cytometry studies and immunohistochemistry. In the United States, hematopathology is a board-certified subspecialty by the American Board of Pathology. Board-eligible or board-certified hematopathologists are usually pathology residents (anatomic, clinical, or combined) who have completed hematopathology fellowship training after their pathology residency. The hematopathology fellowship lasts either one or two years. A physician who practices hematopathology is called a hematopathologist.
Sources: en.wikipedia.org
Legality depends on the country and the intended use. In many places it is not approved as a medicine and may be sold only as a research chemical. Importation or possession can be restricted, and sports organizations prohibit it.
Anti-doping laboratories typically use LC-MS/MS to detect SR9009 or its metabolites in urine or blood. The exact assay depends on the laboratory and the testing program. Detection can be challenging because the compound may be rapidly metabolized and present at low levels.
Stenabolic is an informal nickname used in online fitness and research-chemical markets, not an official drug name. It likely references reported effects on endurance in rodent studies. The nickname does not imply approval or proven human benefit.
SR9009 is a synthetic REV-ERB agonist used in laboratory research. It is not an approved drug, and its effects in humans are not well characterized. It is often sold as a research chemical under the name Stenabolic.